Mass per volume density.
Ounces per Quart to Stones per Cubic foot Converter — oz/qt to st/ft3
Convert Ounce per Quart (oz/qt) to Stone per Cubic foot (st/ft3) using the exact conversion factor (1 ounce per quart = 0.133580705 stone per cubic foot). See the formula, worked examples, and conversion table.
Ounces per Quart to Stones per Cubic foot converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 29.95660683 / 224.2584872.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Quart to Stones per Cubic foot
Ounce per Quart and Stone per Cubic foot both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
stones per cubic foot = ounces per quart × 0.133580705009
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per quart equals 29.9566068292 base units, and 1 stone per cubic foot equals 224.258487235 base units, so dividing one by the other gives the direct ounce per quart-to-stone per cubic foot factor of 0.133580705009.
Simple example
1 oz/qt × 0.133580705 = 0.133580705 st/ft3
1 ounce per quart = 0.133580705 stones per cubic foot.
Real-world example
1,000 oz/qt × 0.133580705 = 133.580705 st/ft3
1,000 ounces per quart = 133.580705 stones per cubic foot.
Conversion table
| Ounce per Quart (oz/qt) | Stone per Cubic foot (st/ft3) |
|---|---|
| 0.1 oz/qt | 0.0133580705 st/ft3 |
| 1 oz/qt | 0.133580705 st/ft3 |
| 10 oz/qt | 1.33580705 st/ft3 |
| 100 oz/qt | 13.3580705 st/ft3 |
| 1,000 oz/qt | 133.580705 st/ft3 |
| 10,000 oz/qt | 1,335.80705 st/ft3 |
Reverse conversion: Stone per Cubic foot to Ounce per Quart
0.133580705 st/ft3 × 7.486111111 = 0.9999999999 oz/qt
0.133580705 stones per cubic foot = 0.9999999999 ounces per quart.
ounces per quart = stones per cubic foot × 7.48611111111
For a page dedicated to this direction, see Stone per Cubic foot to Ounce per Quart.
Understanding the Ounce per Quart (oz/qt)
Mass per volume density.
Understanding the Stone per Cubic foot (st/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic foot are in 1 ounce per quart?
1 ounce per quart equals 0.133580705 stones per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per quart to stone per cubic foot?
Multiply the ounce per quart value by 0.133580705. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic foot back to ounce per quart?
Use the reverse factor: 1 stone per cubic foot equals 7.486111111 ounces per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per quart?
Ounce per Quart (oz/qt) is a unit of density.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) is a unit of density.
Is the ounce per quart to stone per cubic foot conversion exact?
Yes. Both ounce per quart and stone per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.133580705 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.